type Plugin interface {
	Name() string
	Initialize(*DB) error
}

type ParamsFilter interface {
	ParamsFilter(ctx context.Context, sql string, params ...interface{}) (string, []interface{})
}

// ConnPool db conns pool interface
type ConnPool interface {
	PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
	ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)

	// MAC generates the checksum of the given req.Message using the key
	// with the req.Name at the KMS.
	MAC(context.Context, *MACRequest) ([]byte, error)
}

var ( // compiler checks
	_ conn = (*kmsConn)(nil)
	_ conn = (*kesConn)(nil)
	_ conn = secretKey{}
)

// Supported KMS types
const (
	MinKMS  Type = iota + 1 // MinIO KMS
	MinKES                  // MinIO MinKES

		},
	}

	defer func() {
		if !reflect.DeepEqual(conn.got, conn.expect) {
			t.Errorf("expect %#v but got %#v", conn.expect, conn.got)
		}
	}()

	db, err := gorm.Open(mysql.New(mysql.Config{Conn: conn, DisableWithReturning: true}))
	if err != nil {
		t.Fatalf("Should open db success, but got %v", err)
	}

	tx := db.Begin()

}

// Accept - reads from httpListener.acceptCh for one of previously accepted TCP connection and returns the same.
func (listener *httpListener) Accept() (conn net.Conn, err error) {
	select {
	case result, ok := <-listener.acceptCh:
		if ok {
			return result.conn, result.err
		}
	case <-listener.ctx.Done():
	}
	return nil, syscall.EINVAL
}

// Close - closes underneath all TCP listeners.

// There should be no retries in this function,
// and should have a timeout of something like 2 seconds.
// The returned net.Conn should also have quick disconnect on errors.
// The net.Conn must support all features as described by the net.Conn interface.
type ConnDialer func(ctx context.Context, address string) (net.Conn, error)

// ConnectWSWithRoutePath is like ConnectWS but with a custom grid route path.

	return c
}

// WithWriteDeadline sets a new write side net.Conn deadline.
func (c *DeadlineConn) WithWriteDeadline(d time.Duration) *DeadlineConn {
	c.writeDeadline = d
	return c
}

// New - creates a new connection object wrapping net.Conn with deadlines.
func New(c net.Conn) *DeadlineConn {
	return &DeadlineConn{
		Conn: c,
	}

    path: String,
    responseCode: AtomicInteger,
  ): Thread {
    return Thread {
      val url = mockWebServer.url(path).toUrl()
      val conn: HttpURLConnection
      try {
        conn = url.openConnection() as HttpURLConnection
        responseCode.set(conn.responseCode) // Force the connection to hit the "server".
      } catch (ignored: IOException) {
      }
    }
  }

		Dial: func() (redis.Conn, error) {
			conn, err := redis.Dial("tcp", args.Addr.String())
			if err != nil {
				return nil, err
			}

			if args.Password != "" {
				if args.User != "" {
					if _, err = conn.Do("AUTH", args.User, args.Password); err != nil {
						conn.Close()
						return nil, err
					}
				} else {
					if _, err = conn.Do("AUTH", args.Password); err != nil {

from fastapi.testclient import TestClient
from starlette.websockets import WebSocket

app = FastAPI()
app.state.value = 42


async def extract_value_from_http_connection(conn: HTTPConnection):
    return conn.app.state.value


@app.get("/http")
async def get_value_by_http(value: int = Depends(extract_value_from_http_connection)):
    return value


@app.websocket("/ws")
async def get_value_by_ws(

// NewInternodeDialContext setups a custom dialer for internode communication
func NewInternodeDialContext(dialTimeout time.Duration, opts TCPOptions) DialContext {
	return func(ctx context.Context, network, addr string) (net.Conn, error) {
		dialer := &net.Dialer{
			Timeout: dialTimeout,
			Control: setTCPParametersFn(opts),
		}
		conn, err := dialer.DialContext(ctx, network, addr)